Publication:
Torsion theories, radicals and closure operators in the category of rings

dc.contributor.advisor Castellini, Gabriele
dc.contributor.author Coronel-Suárez, Angy C.
dc.contributor.college College of Arts and Sciences - Sciences en_US
dc.contributor.committee Cáceres, Luis F.
dc.contributor.committee Walker, Uroyoán
dc.contributor.department Department of Mathematics en_US
dc.contributor.representative Palomera, Rogelio
dc.date.accessioned 2018-04-09T15:20:21Z
dc.date.available 2018-04-09T15:20:21Z
dc.date.issued 2009-05
dc.description.abstract In 1971, Joachim Lambek published a result which gives an equivalence between torsion theo- ries (B,C) and idempotent radicals T in the category Mod R, establishing some properties of the classes of R-modules B and C and performing a characterization of these classes using the radical T. Recently, D. Dikranjan, W. Tholen and G. Castellini have defined, in this category, new closure operators based on pre-radicals and reciprocally, they have defined radicals based on closure operators. In this thesis we have made some modifications to these results, defining new concepts and finding some conditions to be satisfied by the classes B and C in order to establish some conection between torsion theories and radicals in the category Rng. We have also defined closure operators using pre-radicals and vice versa, establishing a non bijective correspon- dence between these two concepts in this category.
dc.description.abstract En 1971, Joachim Lambek publicó un resultado que da una equivalencia entre las teorías de torsión (B, C) y los radicales idempotentes T en la categoría Mod R, estableciendo algunas propiedades que cumplen las clases de R-módulos B y C y realizando una caracterización de éstas clases usando el radical T. Recientemente, D. Dikranjan, W. Tholen y G. Castellini han definido, en esta misma categoría, nuevos operadores de clausura basados en pre-radicales y recíprocamente, han definido radicales basados en operadores de clausura. En esta tesis hemos realizado algunas modificaciones a estos resultados, definiendo nuevos conceptos y encontrando algunas condiciones que deben cumplir las clases B y C para así poder establecer alguna relacionan entre las teorías de torsión y los radicales en la categoría Rng. Igualmente, hemos construido operadores de clausura usando pre-radicales y viceversa, estableciendo una correspondencia no biyectiva entre estos dos conceptos en esta categoría.
dc.description.graduationSemester Spring en_US
dc.description.graduationYear 2009 en_US
dc.identifier.uri https://hdl.handle.net/20.500.11801/401
dc.language.iso es en_US
dc.rights.holder (c)2009 Angy C. Coronel Suárez en_US
dc.rights.license All rights reserved en_US
dc.subject Torsion theories en_US
dc.subject Radical T en_US
dc.subject Radicals en_US
dc.subject Closure operators en_US
dc.subject.lcsh Torsion theory (Algebra) en_US
dc.subject.lcsh Closure operators en_US
dc.subject.lcsh Rings (Algebra) en_US
dc.title Torsion theories, radicals and closure operators in the category of rings en_US
dc.title.alternative Teorias de torsión, radicales y operadores de clausura en la categoría de anillos en_US
dc.type Thesis en_US
dspace.entity.type Publication
thesis.degree.discipline Pure Mathematics en_US
thesis.degree.level M.S. en_US
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